now allows the handling of custom events and run returns promise

dist/index.d.ts

@@ -1,10 +1,38 @@
+/// <reference types="q" />
+import * as plugins from './smartstream.plugins';
 export interface IErrorFunction {
-    (err: any): number;
+    (err: any): any;
 }
+export interface IStreamStartFunction {
+    (stream: any): any;
+}
+export interface ICustomEventFunction {
+    (): any;
+}
+export interface ICustomEventObject {
+    eventName: string;
+    eventFunction: ICustomEventFunction;
+}
+/**
+ * class Smartstream handles
+ */
 export declare class Smartstream {
     streamArray: any[];
     errorFunction: IErrorFunction;
+    streamStartFunction: IStreamStartFunction;
+    customEventObjectArray: ICustomEventObject[];
     constructor(streamArrayArg: any[]);
+    /**
+     * attach an error handler to the stream to prevent throwing
+     */
     onError(errorFunctionArg: IErrorFunction): void;
-    run(): any;
+    /**
+     * make something with the stream itself
+     */
+    onStreamStart(): plugins.q.Promise<any>;
+    /**
+     * run the stream
+     * @returns Promise
+     */
+    run(): plugins.q.Promise<void>;
 }

dist/index.js

@@ -1,21 +1,67 @@
 "use strict";
 const plugins = require("./smartstream.plugins");
+/**
+ * class Smartstream handles
+ */
 class Smartstream {
     constructor(streamArrayArg) {
         this.streamArray = [];
         this.errorFunction = null;
+        this.streamStartFunction = null;
+        this.customEventObjectArray = [];
         this.streamArray = streamArrayArg;
     }
+    /**
+     * attach an error handler to the stream to prevent throwing
+     */
     onError(errorFunctionArg) {
         this.errorFunction = errorFunctionArg;
     }
+    /**
+     * make something with the stream itself
+     */
+    onStreamStart() {
+    }
+    /**
+     * run the stream
+     * @returns Promise
+     */
     run() {
-        let combinedStream = plugins.streamCombiner2.obj(this.streamArray);
-        if (this.errorFunction !== null) {
-            combinedStream.on('error', this.errorFunction);
+        let done = plugins.q.defer();
+        // clone Array
+        let streamExecutionArray = [];
+        for (let streamItem of this.streamArray) {
+            streamExecutionArray.push(streamItem);
         }
-        return combinedStream;
+        // combine the stream
+        let finalStream = null;
+        let firstIteration = true;
+        for (let stream of streamExecutionArray) {
+            if (firstIteration === true) {
+                finalStream = stream;
+            }
+            if (this.errorFunction !== null) {
+                stream.on('error', this.errorFunction);
+            }
+            for (let customEventObject of this.customEventObjectArray) {
+                stream.on(customEventObject.eventName, customEventObject.eventFunction);
+            }
+            if (!firstIteration) {
+                finalStream = finalStream.pipe(stream);
+            }
+            firstIteration = false;
+        }
+        finalStream.on('end', function () {
+            done.resolve();
+        });
+        finalStream.on('close', function () {
+            done.resolve();
+        });
+        finalStream.on('finish', function () {
+            done.resolve();
+        });
+        return done.promise;
     }
 }
 exports.Smartstream = Smartstream;
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dist/smartstream.plugins.d.ts

@@ -1,3 +1,2 @@
 import 'typings-global';
 export import q = require('q');
-export declare let streamCombiner2: any;

dist/smartstream.plugins.js

@@ -1,5 +1,4 @@
 "use strict";
 require("typings-global");
 exports.q = require("q");
-exports.streamCombiner2 = require('stream-combiner2');
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